The directory of SaaS billing tools.
Browse platforms, tools, and kits for subscriptions, invoicing, and revenue.
Curated by a billing engineer with 20+ years experience
What are you trying to do?
Pick a goal and we'll filter the right tools for you.
Platforms
Foundations you build on. Click a platform to learn more and filter compatible tools.
No platforms match this purpose.
Tools
Third-party products and Billing Atlas kits that layer on top of the platforms above.
No tools match these filters.
Learn how SaaS billing works
Learn how SaaS billing works
Background reading on the landscape: platform profiles, pricing models, and a running industry timeline.
Billing Platforms
Profiles of payment processors and billing engines.
Merchant of Record
Platforms that act as the legal seller on your behalf.
Pricing Models
Flat-rate, per-seat, usage-based, tiered, hybrid, credit.
Timeline
Notable events in SaaS billing, month by month.
Looking for hands-on comparisons? Read the comparisons library or the billing guide.
Billing Atlas is a curated, independent directory. We list third-party billing platforms and tools so you can discover and evaluate them — we don't sell, host, or support the products themselves.
Invoice Recovery Kit
Best for:Freelancers and agencies tracking unpaid invoices manually.
Works with:Any setup
A simple system to track unpaid invoices and follow up effectively — Google Sheets tracker plus proven email templates.
- Track overdue invoices in one place
- Follow a structured reminder cadence
- Copy-paste email templates (friendly to firm)
- Works with your existing workflow — no new software
€9.99
Instant download via secure checkout
Checkout is handled by Lemon Squeezy — you'll be taken to a secure payment page.
Recommendation Service
Best for:Founders who don't want to guess their billing setup.
Works with:Any stack
Tell me about your product. I'll review your setup and send a custom billing plan — Stripe, MoR, or hybrid — within 48 hours.
Thanks — you're in.
I'll review your setup and get back within 48 hours.
Stripe
Flexible payments and subscriptions (DIY approach).
Chargebee
Subscription management on top of payment providers.
Recurly
Subscription billing with strong revenue recovery.
Zuora
Enterprise-grade subscription billing for large businesses.
Paddle
All-in-one MoR with tax and compliance handled.
Lemon Squeezy
Lightweight MoR for indie SaaS and digital goods.
FastSpring
Global MoR with subscription management built in.
Gumroad
Simple MoR for creators and digital products.
Polar
Open-source payments infrastructure for developer tools.
Dodo Payments
Developer-first MoR alternative for small SaaS.
Lago
Open-source usage-based billing you can self-host.
Orb
Real-time usage metering for consumption pricing at scale.
Metronome
Usage-based billing for AI and infrastructure SaaS.
Churnkey
Best for:SaaS losing revenue to failed Stripe payments.
Works with:Stripe
Baremetrics
Best for:SaaS teams that want MRR, churn, and LTV out of the box.
Works with:Stripe, Chargebee, Recurly
ChartMogul
Best for:Teams with subscription data across multiple billing platforms.
Works with:Stripe, Chargebee, Recurly